X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=lib%2Ferror.h;h=4aaafb362603ba075e6ba21092bf50a49be5f4fd;hb=cd56634a4a8179fd5a4419fbb3e27211b042ab1c;hp=8c215a7fd3e16fd058918d08c9e0d84b11f31e3c;hpb=57fdfd3f8ec62b105c53bcdf6f127c35c7fe7391;p=gnulib.git diff --git a/lib/error.h b/lib/error.h index 8c215a7fd..4aaafb362 100644 --- a/lib/error.h +++ b/lib/error.h @@ -1,5 +1,6 @@ /* Declaration for error-reporting function - Copyright (C) 1995, 1996, 1997, 2003, 2006 Free Software Foundation, Inc. + Copyright (C) 1995-1997, 2003, 2006, 2008-2014 Free Software Foundation, + Inc. This file is part of the GNU C Library. This program is free software: you can redistribute it and/or modify @@ -18,47 +19,46 @@ #ifndef _ERROR_H #define _ERROR_H 1 -#ifndef __attribute__ -/* This feature is available in gcc versions 2.5 and later. */ -# if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 5) || __STRICT_ANSI__ -# define __attribute__(Spec) /* empty */ -# endif -/* The __-protected variants of `format' and `printf' attributes - are accepted by gcc versions 2.6.4 (effectively 2.7) and later. */ -# if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 7) -# define __format__ format -# define __printf__ printf -# endif +/* The __attribute__ feature is available in gcc versions 2.5 and later. + The __-protected variants of the attributes 'format' and 'printf' are + accepted by gcc versions 2.6.4 (effectively 2.7) and later. + We enable _GL_ATTRIBUTE_FORMAT only if these are supported too, because + gnulib and libintl do '#define printf __printf__' when they override + the 'printf' function. */ +#if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 7) +# define _GL_ATTRIBUTE_FORMAT(spec) __attribute__ ((__format__ spec)) +#else +# define _GL_ATTRIBUTE_FORMAT(spec) /* empty */ #endif -#ifdef __cplusplus +#ifdef __cplusplus extern "C" { #endif -/* Print a message with `fprintf (stderr, FORMAT, ...)'; +/* Print a message with 'fprintf (stderr, FORMAT, ...)'; if ERRNUM is nonzero, follow it with ": " and strerror (ERRNUM). - If STATUS is nonzero, terminate the program with `exit (STATUS)'. */ + If STATUS is nonzero, terminate the program with 'exit (STATUS)'. */ extern void error (int __status, int __errnum, const char *__format, ...) - __attribute__ ((__format__ (__printf__, 3, 4))); + _GL_ATTRIBUTE_FORMAT ((__printf__, 3, 4)); extern void error_at_line (int __status, int __errnum, const char *__fname, - unsigned int __lineno, const char *__format, ...) - __attribute__ ((__format__ (__printf__, 5, 6))); + unsigned int __lineno, const char *__format, ...) + _GL_ATTRIBUTE_FORMAT ((__printf__, 5, 6)); /* If NULL, error will flush stdout, then print on stderr the program name, a colon and a space. Otherwise, error will call this function without parameters instead. */ extern void (*error_print_progname) (void); -/* This variable is incremented each time `error' is called. */ +/* This variable is incremented each time 'error' is called. */ extern unsigned int error_message_count; /* Sometimes we want to have at most one error per line. This variable controls whether this mode is selected or not. */ extern int error_one_per_line; -#ifdef __cplusplus +#ifdef __cplusplus } #endif